Web Developer and Web Service API Consultant

Keystone Solutions; Brussel; Presencial; EUR 45.000 - 71.000; Jornada completa

Descripción de la vacante

Keystone Solutions is seeking a Web Developer and Web Service API Consultant to join a dynamic team at a client site. This consultancy mission focuses on innovative and agile processes (Scrum, DevOps, CI/CD) to design high-performance and scalable software solutions.

The project aims to reduce dependency on mainframe systems by migrating police data to a modern open architecture, enabling PoliceSearch, analytics, AI, and ILP.

Formación

• Experience designing and delivering RESTful data exchange services.
• Ability to integrate diverse police applications with APIs and services.
• Knowledge of security by design and modern architecture patterns.
• Proficiency in PHP and JavaScript for backend/frontend components.

Responsabilidades

• Participate in development and evolution of applications, APIs, and web services within the DECOM program.
• Design and implement data exchange services and REST APIs for police applications.
• Enhance PoliceSearch and PolLogs with data analysis, AI, and ILP features.
• Develop components in PHP and JavaScript and define the technical architecture.

Conocimientos

API

Webservices REST

Software architecture

Authentication

DevOps

MLOps

GitLab

JavaScript

PHP

Security by design

SQL

NoSQL

PostgreSQL

Automated tests

Herramientas

Containerization

OpenID Connect

OAuth 2.0

JWT

Descripción del empleo

Mission Overview

Keystone Solutions is seeking a Web Developer and Web Service API Consultant to join a dynamic team at a client site. This consultancy mission focuses on innovative and agile processes (Scrum, DevOps, CI/CD) to design high-performance and scalable software solutions.

Project Details

The project aims to reduce dependency on mainframe systems by migrating BNG, BCE (KBO), and other police data to a modern open architecture. This migration will enhance data accessibility for applications such as PoliceSearch, analytics solutions, artificial intelligence (AI), and Intelligence-Led Policing (ILP).

Mission Overview

Keystone Solutions is seeking a Web Developer and Web Service API Consultant to join a dynamic team at a client site. This consultancy mission focuses on innovative and agile processes (Scrum, DevOps, CI/CD) to design high-performance and scalable software solutions.

Project Details

The project aims to reduce dependency on mainframe systems by migrating BNG, BCE (KBO), and other police data to a modern open architecture. This migration will enhance data accessibility for applications such as PoliceSearch, analytics solutions, artificial intelligence (AI), and Intelligence-Led Policing (ILP).

Key Responsibilities

• Participate in the development and evolution of applications, APIs, and web services as part of the DECOM program.
• Conduct technical analysis, design, and develop data exchange services and REST APIs for integrating various police applications.
• Adapt and enrich strategic solutions such as PoliceSearch and PolLogs, integrating new features related to data analysis, AI, and ILP.
• Develop application components using PHP and JavaScript, contribute to defining the technical architecture, and collaborate with development teams to ensure high-performance, secure, and interoperable solutions that meet operational needs.

Soft Skills

• Attention to detail and rigor
• Problem-solving abilities
• Autonomy
• Self-learning
• Quality orientation

Language Skills

Fluency in French or Dutch is required, with a passive knowledge of the other language.

Why Join Keystone Solutions

As a consultant at Keystone Solutions, you will work on-site, tackling diverse challenges across various client environments. This role offers turbo-charged learning opportunities and a commitment to your career growth within our framework. Being a

Duration

01/11/2026 - 31/12/2026 2 months

• (full time)

Skills required

• API, Webservices REST - Level: Confirmed - Most recent: Any time
• Architecture logicielle - Level: Confirmed - Most recent: Any time
• Authentication (OAuth 2.0, OpenID Connect, JWT-Based Tokens - Level: Confirmed - Most recent: Any time
• Containerization - Level: Confirmed - Most recent: Any time
• Design Principles and patterns - Level: Confirmed - Most recent: Any time
• Développement JAVASCRIPT - Level: Confirmed - Most recent: Any time
• Développement PHP - Level: Confirmed - Most recent: Any time
• DevOps, MLOPS, GITLab - Level: Confirmed - Most recent: Any time
• Sécurité applicative, Security By Design - Level: Confirmed - Most recent: Any time
• SQL/NoSQL/PostgreSQL - Level: Confirmed - Most recent: Any time
• Tests automatisés - Level: Junior - Most recent: Any time

Language requirements

Dutch or French

Level Native

English

Level Active knowledge